Github user zjffdu commented on the issue: https://github.com/apache/zeppelin/pull/2404 @echarles RemoteInterpreter use scheduler per interpreter group id and per session. It is fully isolated scheduler. https://github.com/apache/zeppelin/blob/master/zeppelin-zengine/src/main/java/org/apache/zeppelin/interpreter/remote/RemoteInterpreter.java#L392
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